<!DOCTYPE html>
<html lang="zh">
	<head>
		<meta charset="utf-8">
		<link rel="stylesheet" href="style.css">
		<title>77 搜索输入框动效</title>
	</head>
	<body>
		<div class="app">
			<label class="label77">
				<input class="inp77" size="16" type="search" placeholder="请输入关键字" required>
				<span class="search-btn77"></span>
			</label>
		</div>
	</body>
</html>